.yn-banner-bg {
  background-size: 100%;
  background-repeat: no-repeat;
  background-position: 50% 50%;
}
.yn-product-exhibition {
  margin-bottom: 50px;
}
.yn-product-exhibition .m-title {
  margin-bottom: 46px;
}
.yn-product-exhibition .m-product-list {
  position: relative;
  overflow: hidden;
}
.yn-product-exhibition .m-product-list > ul li {
  overflow: hidden;
  margin-bottom: 10px;
  float: left;
  width: 20%;
  padding: 0 1%;
  box-sizing: border-box;
}
.yn-product-exhibition .m-product-list > ul li:nth-of-type(5n+1) {
  clear: left;
}
.yn-product-exhibition .m-product-list > ul li a {
  display: block;
}
.yn-product-exhibition .m-product-list > ul li a p {
  margin-bottom: 0;
}
.yn-product-exhibition .m-product-list > ul li a .u-name {
  text-align: center;
  font-size: 14px;
  color: #333;
}
.yn-product-exhibition .m-product-list > ul li a .u-price {
  font-size: 14px;
  color: #14A6EB;
  text-align: center;
}
.yn-2-ad-link {
  position: relative;
  overflow: hidden;
  margin-bottom: 80px;
}
.yn-2-ad-link a {
  display: block;
  width: 49%;
}
.yn-2-ad-link a:first-child {
  float: left;
}
.yn-2-ad-link a:last-child {
  float: right;
}
.yn-ad-slide {
  margin-bottom: 94px;
}
.yn-ad-slide .gallery-top {
  height: 450px;
}
.yn-ad-slide .gallery-top .swiper-slide {
  background-position: 50% 50%;
  background-size: 100%;
  background-repeat: no-repeat;
}
.yn-ad-slide .gallery-top .swiper-slide a {
  display: block;
  height: 100%;
}
.yn-ad-slide .gallery-thumbs {
  height: 74px;
  width: 475px;
  padding: 2px 0;
  margin-top: -78px;
}
.yn-ad-slide .gallery-thumbs .swiper-slide {
  background-repeat: no-repeat;
  box-sizing: border-box;
  border: 1px solid #e6e6e6;
  background-size: 100% 100%;
  background-position: 50% 50%;
}
.yn-ad-slide .gallery-thumbs .swiper-slide-active {
  border: 1px solid #058FDE;
}
.yn-product-exhibition-multiple {
  position: relative;
}
.yn-product-exhibition-multiple .m-linkto {
  position: absolute;
  top: 0;
  width: 48px;
  margin-left: -70px;
  border: 1px solid #f0f0f0;
}
.yn-product-exhibition-multiple .m-linkto a {
  display: block;
  width: 100%;
  height: 48px;
  text-align: center;
  line-height: 48px;
  border-bottom: 1px solid #f0f0f0;
  color: #676767;
}
.yn-product-exhibition-multiple .m-linkto a:hover {
  background: #14A6EB;
  color: #fff;
}
.yn-product-exhibition-multiple .m-item-box {
  padding-bottom: 75px;
}
.yn-product-exhibition-multiple .m-item-box .m-title > a {
  line-height: 36px;
  color: #899CAE;
  margin-right: 28px;
}
.yn-product-exhibition-multiple .m-item-box .m-product-area {
  width: 100%;
  height: 432px;
}
.yn-product-exhibition-multiple .m-item-box .m-product-area > div {
  width: 249px;
  float: left;
}
.yn-product-exhibition-multiple .m-item-box .m-product-area ul {
  overflow: hidden;
  float: left;
  width: 937px;
}
.yn-product-exhibition-multiple .m-item-box .m-product-area ul li {
  float: left;
  width: 25%;
  box-sizing: border-box;
  height: 217px;
  border-bottom: 1px solid #ccc;
  border-right: 1px solid #ccc;
  padding: 0;
}
.yn-product-exhibition-multiple .m-item-box .m-product-area ul li:nth-child(1),
.yn-product-exhibition-multiple .m-item-box .m-product-area ul li:nth-child(2),
.yn-product-exhibition-multiple .m-item-box .m-product-area ul li:nth-child(3),
.yn-product-exhibition-multiple .m-item-box .m-product-area ul li:nth-child(4) {
  border-top: 1px solid #ccc;
}
.yn-product-exhibition-multiple .m-item-box .m-product-area ul li img {
  height: 190px;
}
.yn-product-exhibition-multiple .m-item-box .m-product-area ul li p {
  height: 27px;
  line-height: 27px;
  text-align: center;
  font-size: 15px;
  color: #333;
}
.yn-2-doc-box {
  position: relative;
  overflow: hidden;
  margin-bottom: 79px;
}
.yn-2-doc-box > article {
  width: 50%;
  float: left;
}
.yn-2-doc-box > article .u-head {
  font-size: 18px;
  color: #333;
  font-weight: bold;
  line-height: 30px;
}
.yn-2-doc-box > article .m-content {
  position: relative;
  height: 144px;
}
.yn-2-doc-box > article .m-content .u-img {
  display: block;
  float: left;
  height: 100%;
  width: 257px;
  margin-right: 27px;
  margin-bottom: 0;
}
.yn-2-doc-box > article .m-content .u-img img {
  width: 100%;
  height: 100%;
}
.yn-2-doc-box > article .m-content > div {
  float: left;
  width: 290px;
}
.yn-2-doc-box > article .m-content .u-title {
  color: #333;
  font-size: 14px;
  margin-bottom: 18px;
}
.yn-2-doc-box > article .m-content .u-content {
  font-size: 14px;
  color: #999;
}
.yn-2-doc-box > article .m-content .u-watch {
  display: block;
  position: absolute;
  bottom: 0;
  min-width: 80px;
  line-height: 20px;
  color: #9b9b9b;
}
.yn-2-doc-box > article .m-content .u-watch i {
  float: left;
  font-size: 21px;
  line-height: 20px;
}
.yn-2-doc-box > article .m-content time {
  position: absolute;
  bottom: 0;
  line-height: 20px;
  right: 62px;
}
.yn-2-doc-box > article .m-content .u-download {
  position: absolute;
  display: block;
  width: 20px;
  height: 18px;
  bottom: 0;
  right: 25px;
  background: url("../icon/download-icon.png") 100% 100% no-repeat;
  background-size: 100%;
}
.yn-iknow-cat {
  margin-bottom: 40px;
  padding-top: 35px;
}
.yn-iknow-cat:nth-child(odd) {
  background: #f4f5f7;
}
.yn-iknow-cat .m-head {
  font-size: 20px;
  font-weight: bold;
  color: #4f4f4f;
  position: relative;
  overflow: hidden;
  height: 34px;
  line-height: 34px;
}
.yn-iknow-cat .m-head .cat-slide {
  float: right;
  height: 100%;
  width: 500px;
}
.yn-iknow-cat .m-head .cat-slide .swiper-wrapper {
  height: 100%;
}
.yn-iknow-cat .m-head .cat-slide .swiper-slide {
  cursor: pointer;
  border-radius: 4px;
}
.yn-iknow-cat .m-head .cat-slide .swiper-slide.active {
  /* Permalink - use to edit and share this gradient: http://colorzilla.com/gradient-editor/#0c7df0+29,2989d8+55,0cadf0+89 */
  background: #0c7df0;
  /* Old browsers */
  background: -moz-linear-gradient(left, #0c7df0 29%, #2989d8 55%, #0cadf0 89%);
  /* FF3.6-15 */
  background: -webkit-linear-gradient(left, #0c7df0 29%, #2989d8 55%, #0cadf0 89%);
  /* Chrome10-25,Safari5.1-6 */
  background: linear-gradient(to right, #0c7df0 29%, #2989d8 55%, #0cadf0 89%);
  /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#0c7df0', endColorstr='#0cadf0', GradientType=1);
  /* IE6-9 */
}
.yn-iknow-cat .m-head .cat-slide .swiper-slide.active .u-title {
  color: #fff;
}
.yn-iknow-cat .m-head .cat-slide .swiper-slide .u-title {
  font-size: 14px;
  color: #838383;
  font-weight: normal;
}
.yn-iknow-cat .m-head .cat-slide .swiper-slide .u-img {
  float: left;
  width: 35px;
}
.yn-iknow-cat .m-data-content {
  overflow: hidden;
  margin-top: 20px;
}
.yn-iknow-cat .m-data-content > div {
  float: left;
}
.yn-iknow-cat .m-data-content .m-cat {
  width: 110px;
}
.yn-iknow-cat .m-data-content .m-cat li {
  background: none;
  color: #333;
  border-right: 2px solid #CCCCCC;
  text-align: right;
  padding-right: 36px;
  font-size: 14px;
  height: 57px;
  line-height: 57px;
}
.yn-iknow-cat .m-data-content .m-cat li.active {
  /* Permalink - use to edit and share this gradient: http://colorzilla.com/gradient-editor/#0c7df0+29,2989d8+66,0cadf0+100 */
  background: #0c7df0;
  /* Old browsers */
  background: -moz-linear-gradient(top, #0c7df0 29%, #2989d8 66%, #0cadf0 100%);
  /* FF3.6-15 */
  background: -webkit-linear-gradient(top, #0c7df0 29%, #2989d8 66%, #0cadf0 100%);
  /* Chrome10-25,Safari5.1-6 */
  background: linear-gradient(to bottom, #0c7df0 29%, #2989d8 66%, #0cadf0 100%);
  /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#0c7df0', endColorstr='#0cadf0', GradientType=0);
  /* IE6-9 */
}
.yn-iknow-cat .m-data-content .m-cat li:hover {
  /* Permalink - use to edit and share this gradient: http://colorzilla.com/gradient-editor/#0c7df0+29,2989d8+66,0cadf0+100 */
  background: #0c7df0;
  /* Old browsers */
  background: -moz-linear-gradient(top, #0c7df0 29%, #2989d8 66%, #0cadf0 100%);
  /* FF3.6-15 */
  background: -webkit-linear-gradient(top, #0c7df0 29%, #2989d8 66%, #0cadf0 100%);
  /* Chrome10-25,Safari5.1-6 */
  background: linear-gradient(to bottom, #0c7df0 29%, #2989d8 66%, #0cadf0 100%);
  /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#0c7df0', endColorstr='#0cadf0', GradientType=0);
  /* IE6-9 */
}
.yn-iknow-cat .m-data-content .m-cat-2 {
  width: 86%;
  padding-left: 39px;
}
.yn-iknow-cat .m-data-content .m-cat-2 ul {
  overflow: hidden;
}
.yn-iknow-cat .m-data-content .m-cat-2 ul li {
  float: left;
  line-height: 34px;
  font-size: 14px;
  color: #2c2c2c;
  padding: 0 24px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: border-color 0.3s, color 0.3s;
}
.yn-iknow-cat .m-data-content .m-cat-2 ul li:hover {
  border-color: #14A6EB;
  color: #14A6EB;
}
.yn-iknow-cat .m-data-content .m-cat-2 ul li.active {
  border-color: #14A6EB;
  color: #14A6EB;
}
.yn-iknow-cat .m-data-content .m-data-div {
  width: 970px;
}
.yn-iknow-cat .m-data-content .m-data {
  width: 440px;
  margin-top: 10px;
  box-sizing: border-box;
  padding-left: 20px;
  float: left;
}
.yn-iknow-cat .m-data-content .m-data .m-article {
  font-size: 14px;
  color: #333;
}
.yn-iknow-cat .m-data-content .m-data .m-article li {
  line-height: 26px;
}
.yn-iknow-cat .m-data-content .m-data .m-article li a {
  color: #333;
  display: inline-block;
  width: 70%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.yn-iknow-cat .m-data-content .m-data .m-article li a:hover {
  color: #14A6EB;
}
.yn-iknow-cat .m-data-content .m-data .m-article li time {
  float: right;
}
.yn-iknow-cat .m-data-content .m-data .m-video ul {
  overflow: hidden;
}
.yn-iknow-cat .m-data-content .m-data .m-video li {
  float: left;
  width: 33%;
  padding: 0 10px 16px 0;
  box-sizing: border-box;
}
.yn-iknow-cat .m-data-content .m-data .m-video li .u-title {
  font-size: 14px;
  color: #333;
  text-align: center;
  height: 16px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.yn-iknow-cat .m-data-content .m-data .u-title {
  font-size: 14px;
  line-height: 15px;
  margin: 12px 0;
}
.yn-iknow-cat .m-data-content .m-data .u-title a {
  float: right;
}
/*整体内容宽度修改*/
.wrap-lg-two {
  margin-left: auto;
  margin-right: auto;
  min-width: 1090px;
  max-width: 1090px;
}
.yn-iknow-cat .m-data-content .m-data-left {
  width: 520px;
}
.yn-iknow-cat .m-data-content .m-data-right {
  width: 450px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.yn-iknow-cat .m-data-content .m-data-right .u-title {
  padding-left: 20px;
}
.yn-iknow-cat .m-data-content .m-data-right .m-video {
  padding-left: 20px;
  border-left: 1px #CCC dashed;
}
.yn-iknow-list li > div {
  width: 950px;
}
.yn-iknow-list li .u-title {
  width: 865px;
}
.yn-iknow-list li .u-info {
  width: 865px;
}
.yn-iknow-list li .m-btn {
  width: 160px;
}
.yn-iknow-list li .m-btn .u-download {
  left: auto;
  right: 35px;
  width: 18px;
  height: 18px;
  background: url(../icon/download-icon-new.png) no-repeat;
  background-size: 100% 100%;
}
.yn-iknow-list li .m-btn .u-like {
  left: auto;
  right: 0;
  top: 50%;
  margin-top: -12px;
  display: inline-block;
  width: 18px;
  height: 18px;
  background: url(../icon/like-icon-new.png) no-repeat;
  background-size: 100% 100%;
}
.yn-iknow-list li .u-info .u-watch i {
  margin: 4px 9px;
  padding: 9px 9px;
  background: url(../icon/watch-icon-new.png) no-repeat;
  background-size: 100% 100%;
}
.yn-iknow-list li .u-info .u-watch i::before {
  display: none;
}